Monthly Archives: February 2013

Metabones announces ‘Speed Booster’ lens adapter for mirrorless cameras

Metabones and optics company Caldwell Photographics have jointly announced the ‘Speed Booster’, a lens adapter for for mounting SLR lenses on APS-C and Micro Four Thirds mirrorless cameras that reduces the focal length by a factor of 0.71x and increases the maximum aperture by 1 stop. Metabones announces ‘Speed Booster’ lens adapter for mirrorless cameras: Digital Photography Review.… Read More »